Service difficulty report · Unknown · Boeing 737990ER

Difficulty date
February 10, 2022
Submitted
February 15, 2022
Operation
Air carrier
Aircraft
N413AS
Make and model
Boeing 737990ER
Aircraft serial
35205
Aircraft time
33,336 hours, 10,609 cycles
Part
Unknown
Part number
UNKNOWN
Condition
Unknown
Location
Unknown
Stage of operation
NR
How discovered
V
Nature of condition
M
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

CAPTAINS NUMBER 2 WINDOW OVERHEAT. GROUNDED - YES. UNABLE TO DUP/VERIFY DISCREP. CAPT'S SLIDER WINDOW HEAT OPS NML REF B737-900 AMM 30-41-00. PERFORMED B737-900 FIM 30-41 TASK 801, NO CURRENT FAULTS, ALL FLTS SHOW SENSOR FAULT. PERFORMED FIM 30-41 TASK 811. PRIMARY AND SECONDARY SENSOR BOTH READ 300 OHMS. PRECAUTIONARY WAS GOING TO SWAP TO SECONDARY SENSOR BUT FOUND DURING PROCESS, PRIMARY SENSOR RING TERMINAL NOT FULLY SECURED DOWN. TIGHTENED BOTH PRIMARY AND COMMON TERMINAL HARDWARE. FIM INITIAL EVAL GOOD, AND OPS CHK NML REF AMM 30-41-00. GROUND VERIFICATION GOOD.